Sizeable means fairly large — big enough to notice, but not a word you would use for something huge. A sizeable crowd, a sizeable chunk of money, a sizeable difference.

Sizeablesizeable means意思是 fairly large相當大——big enough to notice大到會被注意到, but not a word you would use for something huge但不會拿來形容巨大的東西。A sizeable crowda sizeable crowd（相當多的人群）, a sizeable chunk of moneya sizeable chunk of money（一大筆錢）, a sizeable differencea sizeable difference（相當大的差異）。

It is a comfortable, slightly soft adjective: you are saying “this is no small thing” without giving a number.

It is這是 a comfortable, slightly soft adjective一個聽起來舒服、有點柔和的形容詞: you are saying你是在說 "this is no small thing"「這可不是小事」 without giving a number卻沒有給出確切的數字。

British spelling prefers sizeable (with the e); American spelling usually drops it and writes sizable. Both are the same word.

British spelling prefers英式拼法偏好 sizeable (with the e)sizeable（有 e）; American spelling usually drops it美式拼法通常把 e 拿掉 and writes寫成 sizablesizable。Both are the same word兩個都是同一個字。

You will hear it in everyday talk and in writing; it is not slang and not stiff.

You will hear it你會聽到它 in everyday talk and in writing在日常對話和文章裡; it is not slang and not stiff它不是俚語，也不會顯得生硬。

It does not mean “can be measured” or “able to be given a size”, even though -able often means “can be…”. Here it just means “of a good size”.

It does not mean它不是...的意思 "can be measured" or "able to be given a size"「可以被測量」或「可以被賦予大小」, even though -able often means "can be…"儘管 -able 通常表示「可以⋯⋯」。Here在這裡 it just means它只是指 "of a good size"「大小相當可以」。

Compared with large, sizeable often feels a little milder, a little more spoken.

Compared with large跟 large 比起來, sizeable often feels a little mildersizeable 常常感覺溫和一點, a little more spoken也比較口語一點。