that; that thing (indicating something distant from both speaker and listener, or something understood without naming it)
あれは昨日買った本です。
That (over there) is the book I bought yesterday.
あれを見てください。面白いものがあります。
Look at that. There's something interesting.
that person (used to refer to someone of equal or lower status; can sound informal or impolite)
あれは田中さんだよ。いつも遅刻するんだ。
That's Tanaka. He's always late.
彼が来たら、あれに言っておいてください。
When he comes, tell him (that person).
then; that time (referring to a particular time in the past)
あれは高校生のときのことだ。
That was when I was in high school.
あれがあったから、今の僕がある。
Because of that (event), I am who I am now.
that place (over there) — used like 'that' to indicate a distant location
あれは私の生まれた町だ。
That (over there) is the town where I was born.
あれへ行けば、駅がありますよ。
If you go there, you'll find the station.
colloquial euphemism for 'down there' (the genitals)
子どもが痛がっていたので、『あそこを見せて』と医者に言った。
The child was in pain, so I told the doctor 'show me down there'.
彼女は恥ずかしそうにあれのことを話した。
She spoke about that down-there matter bashfully.
colloquial euphemism for a woman's period (menstruation)
今日はあれだから、少し休ませてください。
It's that time (period) today, so please let me rest a bit.
彼女はあれで体調が優れないと言っていた。
She said she wasn't feeling well because of her period.