徒劳无益

tā de biǎo bái hé qiú hūn quán shì tú láo wú yì

他的表白和求婚全是徒劳无益。

His professions and his proposals did him no service.

yì zhì jìng zhēng shì tú láo wú yì de

抑制竞争是徒劳无益的。

Stifling competition is futile.