长时间的工作不免让人感到疲倦。

Cháng shíjiān de gōngzuò bùmiǎn ràng rén gǎndào píjuàn.

Long hours of work inevitably make people feel tired.

谈论这个问题时，不免会引起争议。

Tánlùn zhège wèntí shí, bùmiǎn huì yǐnqǐ zhēngyì.

Discussing this issue is bound to be controversial.

面对失败，他不免有些沮丧。

Miàn duì shībài, tā bùmiǎn yǒuxiē jǔsàng.

Faced with failure, he can't help feeling a bit discouraged.