late 14c., "distress, oppression," from Old French constreinte "binding, constraint, compulsion" (Modern French contrainte), fem. noun from constreint, past participle of constreindre, from Vulgar Latin *constrinctus, from Latin constrictus (see constrain). Meaning "coercion, compulsion" is from 1530s.
权威例句
1. Water shortages in the area will be the main constraint on development.
水资源匮乏将是制约该地区发展的一个主要因素。
2. He felt constraint in her presence.
他在她面前显得局促不安.
3. We obeyed, but under constraint.
我们服从了, 然而是被迫的.
4. The boy felt constraint in her presence.
那男孩在她面前感到局促不安.
5. We felt a little constraint with the new teacher for the first day or so.