The Indonesian word 'takjub' can be translated into English in several ways, depending on the context. Some common translations include 'amazed,' 'astonished,' 'impressed,' and 'in awe.' The best translation will depend on the specific nuance you want to convey. For example, 'I was amazed by the magician's tricks' translates to 'Saya takjub dengan trik pesulap.'