No. 343 in Chinese
只能
"Can only" or "can merely."
In a sentence
我现在很忙，只能等我有空时再帮你。
I am very busy right now; I can only help you when I have time.
只能 is used here to indicate a limitation in options or actions due to circumstances.
这里没有其他交通工具，我们只能步行回去。
There are no other means of transportation here; we can only walk back.
只能 specifies the lack of alternatives, focusing on the sole available option.
他发现问题后，只能结束实验重新开始。
After he discovered the problem, he could only end the experiment and start over.
只能 suggests an inevitable course of action following an unforeseen issue.
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