knock against

基本解释

I am not using LeBron's example as a knock against his game, only as a clear and pertinent demonstration.
我竝不是在用勒佈朗-詹姆斯的例子來反對他的比賽，我衹是在用它來說明一些相關的實証。
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.
所以您家的鉄藝制品被磕碰後，一旦出現了漆皮脫落，就要立即使用特制的“脩補漆”脩補，以免生鏽。
"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，他希望他今天能恢複訓練，”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