1. （因为钦慕而）仿效，模仿
If you emulate something or someone, you imitate them because you admire them a great deal.

1. compete with successfully
approach or reach equality with

e.g. This artist's drawings cannot emulate his water colors

2. imitate the function of (another system), as by modifying the hardware or the software

3. strive to equal or match, especially by imitating

e.g. He is emulating the skating skills of his older sister