✔ 最佳答案
Producing real tears on cue is quite a handy thing to be able to do, but it's certainly not essential.
Only some of the actors I know can do it – many more can’t - and it's never affected their getting acting work.
It's really all about your acting.
As long as your voice, body language, movements, gestures, etc, are good enough, you can convince an audience that you're crying. On stage, no-one is close enough to notice real tears anyway, and to camera, there's always a make-up artist on hand to add fake tears.
It’s not a good idea to try to really get upset by thinking of something bad that really happened to you.
If you do that, you’ll be really crying, and then it’s easy to forget your lines, get mixed up or be unable to stop. As you gain experience you may well find that through sheer imagination – really getting into your character – the tears will start to come. If you really feel what your character is feeling, that should get you crying.
But until you’re experienced enough to be able to do that - honestly - it's just not important.