A + 不及 + B
不及 (bùjí) is a verb phrase meaning "not as good as" or "inferior to." It is used to make comparisons where one thing falls short of another. It is more literary than 不如. For example, 三等马都不及大王 means "the third-grade horses are all inferior to the king's."
他的经验不及老师傅的一半。
tā de jīngyàn bùjí lǎo shīfu de yí bàn.
His experience is less than half that of the old master.
这家店的味道不及以前那么好了。
zhè jiā diàn de wèidào bùjí yǐqián nàme hǎo le.
The food at this restaurant doesn't taste as good as it used to.
我的中文水平远不及她。
wǒ de zhōngwén shuǐpíng yuǎn bùjí tā.
My Chinese level is far inferior to hers.