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お腹が空く， お腹がすく， おなかが空く， おなかがすく
1. to become hungry, to get an empty stomach
变得饥饿，感到空腹
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腹が立つ， 腹がたつ， はらがたつ
1. to get angry, to take offense, to take offence, to be furious
生气、感到被冒犯、对某事感到愤怒、非常愤怒
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
