'Ta-ta' is a light, cheerful way of saying goodbye. It is British, and it has a particular flavour: slightly old-fashioned, slightly childish, and very warm.

'Ta-ta'「Ta-ta」 is a light, cheerful way of saying goodbye是一種輕快、愉快的說再見方式 it它 is British是英式用法 and而且 it它 has a particular flavour帶有一種特別的味道 slightly old-fashioned, slightly childish, and very warm有點老派、有點孩子氣、又很溫暖

Grandmothers say it, people say it to small children while waving, and friends say it to each other half-jokingly, the way you might sing out a goodbye rather than just state one.

Grandmothers奶奶們 say it會這麼說 people大人 say it to small children while waving會一邊揮手一邊對小孩這麼說 and而 friends朋友之間 say it to each other half-jokingly也會半開玩笑地互相這麼說 the way you might sing out a goodbye rather than just state one就像用唱的方式說再見，而不是平淡地說一聲

It suits short, easy partings — leaving a shop, hanging up the phone, stepping off a bus. It does not suit serious ones; nobody says 'ta-ta' at an airport when someone is leaving for two years.

It它 suits short, easy partings適合短暫、輕鬆的告別 — leaving a shop像離開一間店、 hanging up the phone掛電話、 stepping off a bus下公車這種場合 it它 does not suit serious ones不適合嚴肅的離別 nobody沒有人 says 'ta-ta' at an airport when someone is leaving for two years會在機場對要離開兩年的人說「ta-ta」

Because of that playful edge, using it with a boss or a stranger in a formal setting would sound odd, as if you were being deliberately silly.

Because of that playful edge因為那種調皮的語氣 using it with a boss or a stranger in a formal setting在正式場合對老闆或陌生人這麼說 would sound odd會聽起來很怪 as if you were being deliberately silly好像你故意在耍寶

In the north of England it is especially common, and there is a related phrase 'ta-ta for now' (sometimes shortened to TTFN), which means 'bye for a while, see you soon'.

In the north of England在英格蘭北部 it它 is especially common特別常見 and而且 there有 is a related phrase一個相關的說法 'ta-ta for now'「ta-ta for now」（sometimes shortened to TTFN有時縮寫成 TTFN） which means 'bye for a while, see you soon'意思是「先掰一下，很快見」

Spelling: two syllables joined by a hyphen, and both are said with the same light bounce.

Spelling拼法上 two syllables兩個音節 joined by a hyphen用連字號連起來 and而且 both兩個音節 are said with the same light bounce唸起來都帶著同樣輕快的彈跳感

Note that although it looks like the 'ta' that means thanks, in this word it has nothing to do with thanking — a coincidence of sound, not a shared meaning.

Note that要注意 although it looks like the 'ta' that means thanks雖然它看起來很像表示「謝謝」的那個 'ta' in this word在這個字裡 it它 has nothing to do with thanking跟感謝完全無關 — a coincidence of sound只是發音上的巧合 not a shared meaning而不是意思相通