[dāng rán]
（应当这样） as it should be; only natural
That's just as it should be.; That's only natural.
理所当然。
（合情合理） without doubt; certainly; of course; be sure
You can certainly use my dictionary.
你当然可以用我的字典了。
It goes without saying that we should help a comrade in difficulty.
同志有困难当然要帮助。
（理所应当的） natural
natural ally
当然同盟军