いざ

• IPA^(key): [iza̠]

いざ • (iza) 

1. join in; a phrase uttered when inviting someone to join in starting an activity.

• さあ (sā)

いざ • (iza) 

1. used to indicate an important moment, where taking action is necessary, for instance.

   いざというとき、訓練(くんれん)が役(やく)に立(た)つ。

   Iza toiu toki, kunren ga yakunitatsu.

   When push comes to shove, practice pays off.

2. actually; used to indicate the moment when the speaker takes action.

   あのRPG(アルピージー)は簡単(かんたん)だと思(おも)ったが、いざやってみるとすごく難(むずか)しかった。

   Ano arupījī wa kantan da to omotta ga, iza yattemiru to sugoku muzukashikatta.

   I thought that RPG would be easy but, when I actually played it, it was very hard.

• いざとなると (iza to naru to)