1HMcoming after two other things in a series 第三（个）的
in the third century
her third birthday
2.third time luckyBritish EnglishBrE, (the) third time’s the charmAmerican EnglishAmE spoken used when you have failed to do something twice and hope to be successful the third time （但愿）第三次会交好运〔表示两次失败后希望第三次取得成功〕
Examples from the Corpus
third time lucky• Barcelona, having lost the 1961 and 1986 finals, hope it will be third time lucky.• Everyone is praying that this time it will be third time lucky.• Maybe he's out there thinking: third time lucky.• Odds-onfavourite last time at Haydock, he was narrowly beaten into third place, but tomorrow should provethird time lucky.
I’m planning to leave on the third (=the third day of the month).
ADJECTIVE | VERB + THIRD | PREPOSITION | PHRASESADJECTIVE➤first前三分之一➤middle中間的三分之一➤final, last後三分之一◇the last third of the novel 小說的後三分之一部份➤remaining剩餘的三分之一▸➤bottom, lower底部的／下面的三分之一▸➤top, upper頂部的／上面的三分之一◇Most of the students' scores were in the upper third of the range. 大部份學生的成績都處於分數分佈範圍的上三分之一。VERB + THIRD➤divide sth into把⋯分成三份◇He divided the money into thirds. 他把錢分成三份。PREPOSITION➤third of三分之一的⋯◇Over a third of sales were made over the Internet. 三分之一以上的銷售額是在因特網上實現的。PHRASES➤about a third, almost a third, at least a third, over a third大約／接近／至少／超過三分之一◇Over a third of people questioned said they would consider cosmetic surgery. 受訪者當中有三分之一以上說他們會考慮做整容手術。➤between a third and a half, a third to (a) half三分之一至二分之一之間；三分之一至二分之一◇The discount is a third to a half of the full price. 折扣是全價的三分之一到一半。