空挡

空挡	kōng dǎng	neutral gear
空	kōng	empty / air / sky / in vain
空	kòng	to empty / vacant / unoccupied / space / leisure / free time
挡	dǎng	to resist / to obstruct / to hinder / to keep off / to block (a blow) / to get in the way of / cover / gear (e.g. in a car's transmission)
挡	dàng	to arrange / to put in order
挡	dǎng	variant of 挡