551.instinct（本能)
The instinct to survive was strong among the prisoners.
552.early bird (早起きの人）
Helen is an early bird even on the weekend.
553.be alarmed（不安を感じる、びっくりする）
Shouldn't we be alarmed?
554.quirk（奇行、奇癖）
One more subject,sort of in the personal quirks caregory.
555.shouting match(大声でやりあう口論)
If you happen to hear what appears to be a shouting match,don't to be too alarmed.
今日の英語ニュースを聞こう！NHK WORLD Daily News
The instinct to survive was strong among the prisoners.
552.early bird (早起きの人）
Helen is an early bird even on the weekend.
553.be alarmed（不安を感じる、びっくりする）
Shouldn't we be alarmed?
554.quirk（奇行、奇癖）
One more subject,sort of in the personal quirks caregory.
555.shouting match(大声でやりあう口論)
If you happen to hear what appears to be a shouting match,don't to be too alarmed.
今日の英語ニュースを聞こう！NHK WORLD Daily News