That was close!
((略式))やばかったな
That was meant to be a joke.
それは冗談になるはずであった
That was nice [quick] work.
よくがんばったね
That was no mean feat.
それは大した功績だった
That was quite some party!
すごく盛会だった
That was really stupid of me.
あれは本当に私がばかだった
That was the best time of my life.
当時が人生で一番よかった
That was the last we saw of him.
あれが彼を見かけた最後だった
That was the most we could do.
それができる限度だった
That watch is a fancy job.
その時計はとてもすてきだ