徒然: in vain; for nothing; to no avail 短语和例子徒然耗费精力 waste one's energy; 徒然耗费时间 waste of time
但愿: if only; i wish 短语和例子但愿他能及时赶到。 if only he arrived in time. 但愿天气赶快放晴。 if only it would clear up soon
但愿如此: be it so!; i hope so.; i hope that's right.; i only hope it is so.; i simply wish it to be so.; let it be so!; so be it!; i wish it were true.; let's hope so
