“充话费”英语这么说啊

recharge.
打电话没钱时可以听到"Sorry, your balance has little money, please recharge in time."

纯正一点儿，在英国，手机充话费叫做“top up your mobile phone”

Of course recharge

replenish or recharge 都可以

用快译就好了

recharge the fee