1、in a weak and unconvincing manner
以不足以令人相信的方式。

2、It cited the need to protect consumers, an unconvincing reason to some legal experts.
它援引一個對一些法律專家不能信服的保護消費者需要的理由。

3、The bad news is, large parts were an unconvincing muddle.
但糟糕的是，他的演講大部分混亂而不能令人信服。

4、Even his camel wears an unconvincing politician's smile.
甚至他騎的駱駝也帶著令人不可信的政客式的微笑。

5、unconvincing excuses; as unconvincing as a forced smile
不令人信服的借口；像強顏歡笑一樣不令人信服。

6、Gone are the dodgy models, unconvincing scenery and painted backdrops of days gone by.
劣質的模型，不真實的風景，表現(xiàn)往日歲月的手繪背景幕布，都不復存在了。

7、She managed a weak, unconvincing smile.
她勉強擠出一絲笑意。

8、This argument is unconvincing because it contains several critical flaws in logic.
這段論述缺乏說服力，因為它包含著某些邏輯推理方面甚為嚴重的缺陷。

9、What is interesting, however, is the unconvincing nature of his wartime recollections.
不過有趣的是他那讓人生疑的戰(zhàn)時回憶。