义项
深入到底，没有留下遗漏
Complete all the way down, not merely in extent. 完全 says nothing is left out; 彻底 says nothing is left *underneath* — which is why a cleaning, a change or a defeat is 彻底, and a sentence is 完全 correct.
adjective
例句
- 我们把房间彻底打扫了一遍。我們把房間徹底打掃了一遍。Wǒmen (third tone, dipping) bǎ (third tone, dipping) fángjiān (second tone, rising) chèdǐ (fourth tone, falling) dǎsǎo (third tone, dipping) le (neutral tone) yí (second tone, rising) biàn. (fourth tone, falling)···
We gave the room a thorough cleaning.
- 他的想法彻底改变了。他的想法徹底改變了。Tā (first tone, high and level) de (neutral tone) xiǎngfǎ (third tone, dipping) chèdǐ (fourth tone, falling) gǎibiàn (third tone, dipping) le. (neutral tone)···
His thinking has changed completely.