To have (produce) an effect on smb
c/ performance, execution, as to take effect, go into effect.
to be in effect - to be in operation (of a rule or law.
to bring (carry) into effect(about a plan, a law, a decision, etc.).
d/ impression produced, as a pretty effect (of a painting); wonderful cloud effects
to be calculated for effect - to be intended to impress people.
to talk for effect - to impress the hearers.
effective adj. a/ having effect (ефективний), as effective measures, an effective action, remedy.
b/ producing a striking impression, as an effective picture (hat, scheme of decoration, etc.)
Ant. ineffective
efficient adj. competent, performing duties well, as an efficient secretary (workman, officer, army, staff of teachers, etc.)
efficiently adv.
6. to jerk - to pull or move suddenly; Ant. toshove.
Syn. totwitch -to move jerkily and usually uncontrollably, to pull at smth with a sudden jerk.
jerk n - a sudden quick pull; spasmodic movement .
physical jerks (colloq.) physical exercises. Ant. shove n- a vigorous push.
Syn. twitch n- a sudden pull or jerk, a sudden and usually uncontrollable movement of some part of the body.
jerky adv(with sudden stops and starts). Ant.smooth, even
7. to promote- a/ to give higher position or rank;
b/ to encourage; to support; to help 
to grow or develop..
promotion n a/ advancement to higher rank;
b/ support, helping along to success
8. sounda- a/ healthy; in good condition, as a sound mind, body, heart, person, constitution; sound teeth, fruit, etc.
(as) sound asa bell -quite healthy.
safe and soundnot harmful or injured.
b/ not worn out; free from injury or defect, as a sound ship, wine, wall, construction, machine, etc.
c/ dependable; reliable; free from error, as sound morals, views, people, relationships, criticism, common sense; a sound person, reason, etc.
d/ safe, as a sound economy, business, business firm, financial position, investment, etc.
e/ capable and careful; competent, as a sound lawyer, scholar, tennis player, etc.
f/complete; thorough, as a sound whipping (thrashing, flogging), sleep, knowledge, etc.
soundlyadv in a sound manner.
9. stake n-a/ that which is pledged.
to put smth at stake -to expose to the possibility of injury or loss.
to be at staketo be risked;
b/ to stake-to stake one's life on smth.
10. to look also,look here interj- used for drawing attention before making a statement, often angry.
to look about - to look in several different directions.
to look down on/upon - to have or show low opinion.
to look on - to watch instead of doing something.
to look out - to take care.
one's own look-out (infml - smb's own concern or responsibility.
to look up (infml )- a/ to find and visit someone; b/to to respect someone.