讲解：
battle (with / against sb / sth) (for sth)
搏斗；奋斗；斗争:
She's still battling with a knee injury.
她还在同膝部的伤痛作斗争。

spar (with sb)
1. to make the movements used in boxing , either in training or to test the speed of your opponent's reaction
练习拳击；虚晃一拳
2. to argue with sb, usually in a friendly way
(多指在友好气氛中)辩论,争论

jab (sth) (in sb / sth) | ~ (at sth) | ~ sb / sth (with sth)
戳；刺；捅；猛击
She jabbed him in the ribs with her finger.
她用手指捅了捅他的腰。

give sb a hard time
给某人找茬儿；使某人不好过:
They really gave me a hard time at the interview.
面试时他们确实是在难为我。

tweak sb/sth
扭；拧；扯:
She tweaked his ear playfully.
她拧他的耳朵逗着玩儿。