他的表现如一，始终保持高水平。
tāde biǎoxiàn rú yī ， shǐzhōng bǎochí gāo shuǐpíng 。
His performance is consistent, always maintaining a high level.
在工作中，我们需要如一的努力和投入。
zài gōngzuò zhōng ， wǒmen xūyào rú yī de nǔlì hé tóurù 。
In our work, we need consistent effort and dedication.
她的学习态度如一，让老师非常欣赏。
tāde xuéxí tàidù rú yī ， ràng lǎoshī fēicháng xīnshǎng 。
Her attitude toward learning is consistent, which the teacher greatly appreciates.