Characters watched the approach of ore-bearing asteroids with zestful smiles.

角色望着储有矿藏的行星带露出“热情的”微笑。

Other eyes besides mine watched these manifestations of character—watched them closely, keenly, shrewdly.

除了我之外，还有其他人注视着这些性格的表现——密切地、敏锐地、敏锐地注视着它们。