at是固定短語嗎|good

good at是固定短語。

good at {英[ɡʊd æt]、美[ɡʊd æt]}常見的中文釋義有: 擅長一清二楚拿手的精明的。

be good at doing sth:擅長做某事。舉兩個例子:I'm not very good at drawing.

我不擅長繪畫。

I was good at sums at school.

我上學時擅長算術。

不是

be good的短語有be good at（擅長於），be good with（與…相處得好），be good to（對…友好），be good for（對…有好處）。

be good with＝get on well with 與…相處得好

be good at＝do well in 擅長…

be good for的反義詞是be good at

be good to的反義詞是be not good to或 be bad to