1. step out 走出去;暂时外出
2. knot it around my wais 系在我的腰间
3. sleeveless shirt 无袖衫
4. ahead of 在…之前
5. catch up to 赶上;处罚;逮捕
eg Motorola hit a homerun with the hardware and build quality but we need the OS to catch up to it.
摩托罗拉的硬件做的极为成功,质量优异但是我们需要等待操作系统赶上来。
6. a mocking smile 嘲弄的笑容