这些证据足以证明他的清白。

Zhèxiē zhèngjù zúyǐ zhèngmíng tā de qīngbái.

This evidence is sufficient to prove his innocence.

他的经验足以胜任这份工作。

Tā de jīngyàn zúyǐ shèngrèn zhè fèn gōngzuò.

His experience is sufficient to be competent for this job.

一次小小的失误足以影响整个项目的进度。

Yí cì xiǎoxiǎo de shīwù zúyǐ yǐngxiǎng zhěnggè xiàngmù de jìndù.

A single small mistake is enough to affect the progress of the whole project.