Undoubtedly, English is gaining its importance in Hong Kong.
Having bad English is indeed disadvantageous for your future in this cosmopolitan metropolis.
So, one critical way to improve your English is to look up in the dictionary.
2008-08-28 18:36:42 補充:
It is ironic and sarcastic that you study Chemistry in English but you don't understand what it means for such simple wordings, so funny!!!
Next time, can you ask in French? So I can answer you in French...