/grʌb; ˇrʌb/
n
1 [C] larva of an insect 蛴螬; 蛆.
2 [U] (infml 口) food 食物
*Grub's up! ie The meal is ready! 吃饭了!

/grʌb; ˇrʌb/
v (-bb-)
1 [I, Ipr, Ip] ~ (around/about) (for sth)
(a) dig or poke at the soil; search (for sth) by digging 挖土; 掘土; 挖掘寻找; 发掘
*pigs grubbing around/about in the bushes 在树丛中到处乱拱的猪
* a dog grubbing for a bone 从土里刨骨头的狗.
(b) (fig 比喻) search for (esp information) intently but usu unmethodically （急切地但通常为不得法地）查找（尤指资料）
*He found what he wanted by grubbing around in the library. 他在图书馆乱翻一通终于找到了需要的资料.
2 (phr v) grub sth up/out dig sth up 将某物挖出
*birds grubbing up worms 刨虫子的鸟
* grub out a dead tree 挖出死树.