Daily Vocabulary(2009/07/12)

7801.topnotch(一流の、最高級の）
I should note that his work was topnotch.
7802.lose one's cool (冷静さを失う）
He lost his cool quite ofen.
7803.go ballistic over(ちょっとしたことで激怒する)
Don't go ballistic over friend's secret.
7804.vicious circle(悪循環）
It becomes a vicious circle.
7805.departure(辞任、退職）
His departure was such a painful matter for us.
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