1) He is good at describing.
他善于描写。
2) He is not very good at description
他不善于描写。
3) He is good at the three R's.
他善于读、写和算
4) He is poor at spelling.
他不善于拼写。
5) He is good at mastering horse.
他善于驯马。
6) He performed skillfully on the flute.
他善于吹笛。
参考词条