名詞 overall:

1. (usually plural) work clothing consisting of denim trousers (usually with a bib and shoulder straps)
2. a loose protective coverall or smock worn over ordinary clothing for dirty work
   同義詞：boilersuit, boilers suit

形容詞 overall:

1. involving only main features
2. including everything
   同義詞：total, whole

1. Overall, the tone of the book is satirical/the book is satirical in tone.
   總的說(shuō)來(lái)，這本書是諷刺性的。
2. The overall composition of the picture is good but some of the detail is distracting.
   這幅畫的構(gòu)圖不錯(cuò)，但有些細(xì)微處稍嫌喧賓奪主。
3. The carpenter was wearing a pair of blue overalls.
   那木匠穿著藍(lán)色的工裝褲。
4. The overall measurement of this room is 80 square meters.
   這個(gè)屋子的面積是80平方米。
5. There's been an overall improvement recently.
   近來(lái)各方面都有所改進(jìn)。

o.ver.all

adj.（形容詞）
From one end to the other:
從頭到尾的：從一端到另一端的：
例句：
the overall length of the house.
這間房子的全長(zhǎng)

Including everything; comprehensive:
總的：包括一切的；全面的：
例句：
the overall costs of medical care.
醫(yī)療保健的總花銷

Regarded as a whole; general:
大體上的：被視作整體的；概括的：
例句：
My overall impression was favorable.
我的總體印象是很好的

adv.（副詞）
[ô.v…r-ôl.] On the whole; generally:
[ô.v…r-ôl.] 總的說(shuō)來(lái)；大體上：
例句：
enjoyed the performance overall.
總的說(shuō)來(lái)，這次演出是受歡迎的

n.（名詞）
Chiefly British A loose-fitting protective outer garment; a smock.
【多用于英國(guó)】 防護(hù)服，罩衫：一種寬松的起保護(hù)作用的外衣；罩衫
overalls Loose-fitting trousers, usually of strong fabric, with a bib front and shoulder straps, often worn over regular clothing as protection from dirt.
overalls 寬松的褲子，工裝褲：常由堅(jiān)固織物制成的寬松的褲子，前有圍裙的上部分，肩有背帶；常穿于普通衣服外面以擋塵土