impede

vt. 阻碍；妨碍；阻止

中文词源

impede 阻碍

im-,进入，使，-ped,脚，词源同foot,biped.引申词义限制脚的行动，锁上脚链，阻碍。

impede: impede: see pedal
impede (v.): c. 1600, back-formation from impediment, or else from Latin impedire "impede, be in the way, hinder, detain," literally "to shackle the feet" (see impediment). Related: Impeded; impedes; impeding.

1. im- "into, in" + ped- + -e.2. literally "shackle the feet".3. 本义为“把脚给束缚住”。4. 你也要插一脚进来。

2. At no time did I make an attempt to impede any investigatory effort.: 我绝没有试图妨碍过任何调查工作。

3. Severe steric effects at the reactive carbon would impede the substitution.: 大的立体效应阻止在碳上的取代.