believe in
1. 信仰
Christians believe in Jesus.
基督徒信仰耶稣。
2. 信任
We believe in him.
我们信任他。
3. 相信……的效用
Jim believes in fresh air and morning exercises.
吉姆坚信新鲜空气及早操有益处。
make believe
1. 假装
The boys made believe that they were explorers.
孩子们装成探险家。