ちゃった => to do something by accident, to finish completely N3
んじゃなかったか => shouldn't have... N4
Regret
ちゃんと => Clear, neat, dignified, complete N3
Result status
ちゃんとする => Serious, tidy, complete N3
Result status
なけりゃ => If not ... N2
Condition (hypothetical condition)
ないと/なくちゃ/なきゃ => must do; need to; gotta do ~ N3
なくちゃ => must do; need to; gotta do ~ N3
Necessity, obligation
ないと,なくちゃ => Must do A N3
Needs, Requirement
~かぎりなく ... にちかい => Almost, near, like, almost like N... N1
Limit, limit
ちょっと => a little N4
More or less in quantity
ちょっと => Hey (call someone) N3
Order
じゃありません => not to be N5
Emphasize negative meaning