beconcernedwith和about的區別
來源：才華庫 1.02W
例句：
The soldiers concerned were unarmed at the time.
有關士兵當時未攜帶武器。
He knew her weak spot where Steve was concerned.
他了解她在與史蒂夫有關事情方面的`缺點。
He didn't seem in the least concerned for her safety.
對她的安全他似乎一點都不擔心。
