My younger brother was born on the night of June 21st.

我弟弟出生在6月21日晚上。

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I'll have to look after my younger brother because my mother is out.

我得照顾我的弟弟，因为我妈妈出去了。

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On day my mother was cooking while I was playing with my younger brother.

有一天，我母亲正在做饭，而我和弟弟正在玩。

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My younger brother (career military) followed suit a few years later, making us officially a submariner family.

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"My younger brother made himself a harmonica out of a corncob, and I didn't need no microphone, " she said.

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My younger brother has been ill for as long as I can remember.

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