knock against

基本解釋

I am not using LeBron's example as a knock against his game, only as a clear and pertinent demonstration.
我并不是在用勒布朗-詹姆斯的例子來反對他的比賽，我只是在用它來說明一些相關的實證。
kobe-jicfaen.blog.163.com
So of your home, wrought iron products is knock against, once appear, the paint falls off, will immediately, the use of "repair paint" repair, or it will rust.
所以您家的鐵藝制品被磕碰后，一旦出現(xiàn)了漆皮脫落，就要立即使用特制的“修補漆”修補，以免生銹。
"Rafa got a knock against Arsenal, but hopefully he'll train today, " the boss told reporters at Friday's pre-match press conference.
“拉斐爾踢阿森納的時候受傷了，他希望他今天能恢復訓練，”老板在周五賽前記者會上說。
forum.sports.sina.com.cn

Perhaps the biggest knock against the device though, is the rather lackluster 4-inch WVGA screen.
ENGADGET: Samsung Galaxy Rugby Pro for AT&T hands-on Mobile