The added competition keeps them on their mettle.加賽讓他們全力以赴。The school inspection is going to put the teachers on their mettle.對學校的視察將使教師發揮出他們的全部潛力。For both sides, it's the first real test of their mettle this season...
The added competition keeps them on their mettle.加賽讓他們全力以赴。The next game will be a real test of their mettle.下一場比賽就要看他們的拼搏精神了。When the seas are in turmoil , heroes are on their mettle.滄海橫流,方顯出英雄本色....