英和和英

effective

become effective

to be effective

to be efficient

effective breakthrough

efficient

in an effective manner

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

an effective cutback

handle effectively

efficiency

an effect

the effective range

with 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.

the effective ruler

efficient in one's actions

made an effective entrance

a gain in efficiency

the act of validating

to give results―take effect

vigorously active

work efficiency

job performance

work efficiency

My labours are crowned with success

My labours have borne fruit.

My attempt has proved effectual―been successful―succeeded.

a praiseworthy act

a virtuous act