Scientists think his statement is very unconvincing.

科学家认为他的这种说法很不真实。

The police found the story he told unconvincing.

警察认为他讲的这个故事令人难以信服。

The professor asked me to delete this unconvincing description in the report.

教授让我删掉报告中这段没有说服力的描述。

I find the characters in the book very unconvincing.

我觉得书中的人物很不真实。

She managed a weak, unconvincing smile.

她勉强挤出一丝笑意。

This kind of evidence is philosophically unconvincing.

这类证据在哲学上是不足为信的。

Some of the discussion in the book is lightweight and unconvincing.

书中的一些讨论无足轻重而且缺乏说服力。

Mr. Patel phoned the university for an explanation, and he was given the usual unconvincing excuses.

帕特尔先生给那个大学打了电话要个解释，得到的是贯用的难以令人信服的托词。