It's awful. 真糟糕。 It's been a long time. 好久不见。 It's better than nothing. 总比没有好。 It's essential. 这是必要的。
It's hard to say. 很难说。 It's out of the question. 这是不可能的。 It's time for dinner. 该吃晚饭了。
It's up in the air. 尚未决定。 It's up to date. 这个很时兴。 It's up to you. 一切由你决定。 It's very popular. 他很受欢迎。 It's worth seeing. 它绝对值得一看。 Just let it be. 就这样吧。 Just to be on the safe side. 为安全起见。 Keep the change. 不用找了。
