1 insufficient

2 lacking

3 deficiency

4 not enough

5 inadequate

6 not worth

7 cannot

8 should not

1 surname Li

1 sharp weapon

2 effective implement

3 outstandingly able individual

1 to exploit

2 to make use of

3 to use

4 to take advantage of

5 to utilize

1 benefit

2 (in sb's) interest

3 classifier: 个 gè

1 one talented person is enough for the job (idiom)

1 a single slip may cause everlasting sorrow (idiom)

1 small capital, huge profit (idiom); to put in a little and get a lot out

1 not worth mentioning (idiom)

1 no use to tell others

2 let's keep this between ourselves (idiom)