"to make sorrowful," 1620s, from sad + -en (1). Earlier verb was simply sade, from Old English sadian, which also could be the immediate source of the modern verb. Intransitive meaning "to become sad" is from 1718. Related: Saddened; saddening.
权威例句
1. You can sigh away half your youth if you choose to allow failed relationship to sadden you.
如果你陷于失败的伤感中,你就会使前半生在叹息中度过.
2. Don't sadden your friends and gladden your enemies.
勿使亲者痛仇者快。
3. Do not sadden your friends and gladden your enemies.
勿使亲者痛仇者快.
4. That dark Egyptian seems to me to sadden the very sun.
在我看来那个阴森的埃及人似乎会使太阳都变得黯淡无光.
5. It is something that can inspire as well as sadden people.