にゃif not ... (negative conditional), for (in regard to), in order to

サンタ：「早(はや)くみんなにプレゼントを配(くば)らにゃ！」

Santa: 'I have to quickly distribute presents to everyone!'

父(ちち)：「お前(まえ)は天気(てんき)予報(よほう)士(し)だ。天気(てんき)くらい当(あ)てにゃ…。」

Father: 'You are a weather forecaster. If not for predicting the weather...'

夫(おっと)：「妻(つま)の疑(うたが)いを晴(は)らさにゃ、離婚(りこん)を突(つ)きつけられてしまう…。」

Husband: 'If I don't clear my wife's suspicion, I will be faced with a divorce...'

アナウンサー：「滑舌(かつぜつ)をさらに磨(みが)かにゃ若手(わかて)に追(お)い越(こ)されてしまう！」

Announcer: 'If I don't further polish my articulation, I'll be outdone by the younger generation!'

社員(しゃいん)：「早(はや)くこの仕事(しごと)をやらにゃ上司(じょうし)にまたぐちぐち文句(もんく)を言(い)われるぞ…。」

Employee: 'If I don't do this job quickly, the boss will complain to me again...'