听力: hearing, listening ability...
海关: customs (i.e. border crossing inspection)...
卸: to unload, to unhitch, to remove or strip, to get rid of...
用心: motive, intention, to be diligent or attentive, careful...
教条: doctrine, dogma, creed, dogmatic...
押: to mortgage, to pawn, to detain in custody, to escort and protect, (literary) to sign...
发票: invoice, receipt or bill for purchase...
凭: to lean against, to rely on, on the basis of, no matter (how, what etc), proof...
缺点: weak point, fault, shortcoming, disadvantage...
押金: deposit, down payment...
