講解：
battle (with / against sb / sth) (for sth)
搏斗；奮斗；斗爭:
She's still battling with a knee injury.
她還在同膝部的傷痛作斗爭。

spar (with sb)
1. to make the movements used in boxing , either in training or to test the speed of your opponent's reaction
練習(xí)拳擊；虛晃一拳
2. to argue with sb, usually in a friendly way
(多指在友好氣氛中)辯論,爭論

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

give sb a hard time
給某人找茬兒；使某人不好過:
They really gave me a hard time at the interview.
面試時他們確實是在難為我。

tweak sb/sth
扭；擰；扯:
She tweaked his ear playfully.
她擰他的耳朵逗著玩兒。