"Whatsit" stands in for a word you cannot bring to mind. You are mid-sentence, the name escapes you, so you drop in "whatsit" and carry on: "pass me the whatsit", "I put it in the whatsit, the drawer thing".

"Whatsit"代替 stands in for a word you cannot bring to mind你一時想不起來的那個字。 You are mid-sentence你講到一半， the name escapes you那個名字想不起來了， so所以 you drop in "whatsit"你就插一個「whatsit」進去 and而 carry on接著講下去： "pass me the whatsit"「把那個whatsit遞給我」、 "I put it in the whatsit, the drawer thing"「我放在那個whatsit裡，就是抽屜那個東西」。

Sometimes it fills the gap while you keep hunting for the real word; sometimes you never find it and the sentence just proceeds without it.

Sometimes有時候 it fills the gap它填補那個空缺 while you keep hunting for the real word同時你還在找真正的字； sometimes有時候 you never find it你根本找不到 and而 the sentence just proceeds without it句子就這樣沒有那個字繼續下去。

It is mostly used for objects, but you will hear it for names too — "I saw old whatsit yesterday, you know, the man from the shop" — and for people there is also "whatsisname" and "whatsername", which are the same idea with the sex of the person built in.

It is mostly used for objects它主要用在物品上， but但 you will hear it for names too也會聽到它用在人名上 — "I saw old whatsit yesterday, you know, the man from the shop"「我昨天看到那個whatsit，你知道的，那個店裡的人」 — and而 for people在講人的時候 there is also "whatsisname" and "whatsername"還有「whatsisname」和「whatsername」， which are the same idea with the sex of the person built in是同樣的概念，只是把性別內建進去了。

It leans British; Americans reach more often for "whatchamacallit", "thingamajig" or "doohickey". All of them are informal, spoken English, fine with friends and family, out of place in writing. You will see it spelt "whatsit", "what's-it" or "wotsit", and the plural "whatsits" is normal.

It leans British這個字偏英式， Americans reach more often for美國人比較常用 "whatchamacallit", "thingamajig" or "doohickey"「whatchamacallit」、「thingamajig」或「doohickey」。 All of them are informal, spoken English它們都是口語、非正式的英文， fine with friends and family跟朋友家人講沒問題， out of place in writing寫作裡就不合適。 You will see it spelt你會看到它拼成 "whatsit", "what's-it" or "wotsit"「whatsit」、「what's-it」或「wotsit」， and而 the plural "whatsits" is normal複數「whatsits」是常見的。