Agonising
a. 煩惱的；苦悶的
??? 情景例句
I'm not quite familiar with the claim and arbitration in international trade.
我對國際貿易的索賠與仲裁不夠熟悉。
Don't bother me.
別惹我！
It is almost always due to some very special circumstances that traces of land animals survive,
幾乎總是由于某些特殊的條件，陸地動物的遺體才被存下來，