a. 不足以令人相信的
adj. 不足以令人相信的（名词unconvincingness，副词unconvincingly）
1、Gave an unconvincing excuse.
给出一牵强的借口
2、Glib promises and unconvincing excuses.
不真诚的保证和地。
3、The reason you give is rather unconvincing.
你的理由很勉强。
4、All this is quite unconvincing.
所有这些都相当没有说服力。
5、Their diabolism is often unconvincing
他们的邪恶往往难以置信。
6、as unconvincing as a forced smile
如同强装的笑容, 令人难以置信
7、The girl's disabolism is often unconvincing.
这女孩的邪恶往往令人难以置信。
8、but the bravado was insincere and unconvincing.
但是这种逞强行为只是虚张声势而已。
9、This kind of evidence is philosophically unconvincing.
这类证据在哲学上是不足为信的。
10、Tom's excuse sounds very hollow and unconvincing.
汤姆得借口听起来很空洞, 难以令人信服。