恰当

1. 你的这项提议不甚恰当。
   This proposal of yours hardly meets the case.
2. 现在是向您表达感激之情最为恰当的时刻。
   It is the most appropriate time to show you our thanks.
3. 现在向您表达我们对您的感激最为恰当。
   It's the appropriate time for showing you our thanks.
4. 让我们设想突然发生一场罢工，采取什么样的行动才是最恰当的。
   Let us imagine that a strike suddenly happens. What would be the most appropriate course of action?
5. 他苦苦思索寻找恰当的词语。
   He ransacked his memory for suitable words.

当的英语翻译：