A2M1, for instance, means à demain, or "see you tomorrow". JTM is je t'aime (I love you).

比如，A2M1 意思是 à demain（明天见），JTM 表示 jet'aime （我爱你）。

youdao

I shall offer to pay him tomorrow; he will rant and storm about his love for you, and there will be an end of the matter.

明天我就提出还他的钱，他一定会大吹大擂，说他怎么样爱你疼你，那么事情就这样完了。

youdao

You sleep well tonight. Tomorrow I will show you how much I love you.

今晚好好睡，明天我会告诉你我有多爱你的。

youdao