英语 ⇄ 俄语

you'd better not 强调
一般	только попробуй (a threat)
具象的	лучше не надо
you'd best not
一般	не надо (What that internal data format actually is is somewhat flexible and depends on the architecture, which means you'd best not depend on it being the same everywhere. Alex_Odeychuk)

you 'd better not: 3 短语, 2 学科

一般	2
非正式的	1