口自慢の仕事下手。の英語

Great talkers are little doers.

Let's attend to our work instead of talking.

I'm rather proud of it.

drudge at a monotonous job

He has a habit of boasting

He has a way of boasting

He is in the way of boasting

He is in the habit of boasting

He is given to boasting.

a thankless task [job]

The performance does him credit

It is a feather in his cap.

overly self-confident or self-assertive

the degree to which someone is good at handiwork

to boast about something and show it off

A smug look brimming with confidence.

I'll starve if I don't work hard.

Talk will not avail without work.

grouse about one's job

a man given to large talk

to announce something boastfully

the characteristic of being good at handiwork

the act of displaying something ostentatiously

It's not a thing one can well boast of.

be forgetful of one's responsibilities

He prides himself on his strength.

The cat in gloves catches no mice.

I underrated the difficulty of the task.

That's nothing to be proud of.

I don't have anything that I can boast about.