good at something 得意である

good at something, good at doing something 何かが得意、何かをするのが得意。これは簡単なイディオムだが、辞書には載っていない。1:20 John Wick, you're not very good at retiring. I'm working on it. ジョン、おとなしく引退していられないようだな。努力はしているんだがね。

John Wick: Chapter 2 Official Trailer #1 (2017) Keanu Reeves Action Movie HD

2:02 he was good at his job. 仕事はよく出来た。

First Look | Legends | TNT

5:48 because Trump is good at making things vanish. okay? his casinos, his airline. he has not seen his feet in years.　トランプはモノを消すのがうまいからなあ。奴のカジノは破産したし、航空会社も潰したし、それに奴は腹が邪魔で自分の足をもう何年も拝んでないし、、、

Pelosi Warns Of The Consequences Of A National Emergency

1:01 I'm good at what I do. 俺の仕事には抜かりがない。

The Iceman Official Trailer #1 (2013) Michael Shannon, Ray Liotta Movie HD

練習問題解答
a-6201 a hell of a lot better at it
a-6232 good at
b-0681 he was pretty good at that