To play with fire = To fool with someone or something that is dangerous
If you play with me, you play with fire and if you play with fire, you are going to get burned.
Handsome as the devil = A very handsome man or boy
I have three boys and they are all handsome as the devil.
To speak up = To speak clearly and loudly to make yourself understood
If you want to be heard in this world, you must learn to speak up.
To grapple = To fight or to struggle
I have been here for many years and I must grapple with the Japanese language.
To snub = To humiliate by an intentional rebuff
China intends to snub Japan.
Alarm = Sudden fear or apprehension
Everyone is alarmed by the recent developments in Korea.
To paint the town red = To party hardy
Tomorrow night is my birthday party and I'm going to paint the town red.
Smitten = Charmed
America was smitten with Obama earlier this year, but not any more.
Atypical = Out of the ordinary
Sleeping late on Sunday is very atypical for me.
Up to speed = To understand completely
I'm not up to speed in Kanji yet.