goodat后面加什么?

　　Journalists are good at sniffing out a scandal.

　　記者善于發(fā)現(xiàn)丑聞。

　　He's not very good at getting his ideas across.

　　他不太善于清楚地表達(dá)自己的思想。

　　She's not very good at putting her views across.

　　她不大善于表達(dá)自己的觀點(diǎn)。