up to one's neck 忙的不成开交 ; 非常繁忙
be up to one's neck 忙得不可开交
up to one's neck in 深陷入 ; 深陷于
The refusal to sit down in a relaxed posture when in the presence of those not trusted. Hair up at the back of the neck, and not wanting the enemy to one's back.
当在不信任的人面前时拒绝坐下来处在一个放松的姿势中，脖子后面头发竖起，还有不想让敌人在你后面。
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