•Keep in mind (idiom) –
To remember and think of.
(謹記,牢記)
Examples:
1.Students will need to keep it in mind that classes begin an hour earlier than normal on Monday.
2.I'll keep your advice in mind.
•Step forward (phrasal verb) -
To offer to provide or do something, or to help with something.
(自告奮勇,挺身而出)
Examples:
1.No one has yet stepped forward to claim responsibility for the attack.
2.At the last minute another company stepped forward with a bid.
•On one's mettle (idiom) -
If one is on his mettle, he is ready to try as hard as possible because his abilities are being tested.
(全力以赴,盡最大努力)
Examples:
1.We'll have to be on our mettle from the start.
2.Both players were on their mettle in the final round.
•A thorn in one's flesh/side (idiom) -
A constant or persistent cause of annoyance, pain, frustration, or trouble.
(眼中釘,肉中刺)
Examples:
1.This problem is a thorn in my flesh. I wish I had a solution for it.
2.She's a real thorn in his side.
•Plough a lone/lonely furrow (idiom) -
To do something by one and in one's own way, without any help or support from others.(獨自行動,孤軍作戰)
Examples:
1.She has had to plough a lone furrow in her pursuit of reform.
2. It seems that he was something of an original thinker, ploughing a lonely furrow.