英和和英

to be effective

effective

become effective

in an effective manner

effective breakthrough

to be efficient

an effective cutback

handle effectively

be in effect

the effective range

efficient

to take effect―bear fruit―do its work―be effectual―be successful―succeed―（武器なら）―do execution―tell

efficiency

（法律なら）A law comes into effect―comes into force―becomes effective―becomes operative―（契約などなら）―A contract becomes valid―takes effect.

My attempt has proved effectual―been successful―succeeded.

efficient in one's actions

with efficiency

the effective ruler

to give results―take effect

made an effective entrance

an effect

Has an effect

The effect was magical.

There was an influence.

My labours are crowned with success

My labours have borne fruit.

of a condition, effective

excellent effect

work efficiency

job performance