1. concentrate to

全力以赴

eg. Practice this method, the spirit of concentrate to make itself felt in every corner of air into the body.

演習此法，要精力灌注，使本人感覺氣流到體內的每個角落。

eg. Eventually, dairy men hope to improve the concentrate to such an extent that it can be kept for longer periods.

最終，奶制品商家希望改善濃縮奶到一定的程度，使它可以保質更長。

2. at first

起先，首先；最初

eg. Their research,at first, as nothing to with money.

他們的研究，在第一，因為沒什么錢。

eg. She boggled at the suggestion at first,but finally agreed to do the job.

她起先對這個建議猶豫不定，但最后同意做這工作。

3. try to

試著；設法

eg. Try to mend this hole in my shirt.

請設法把我這個襯衫上的洞補好。

eg. Mary is very quiet,try to fetch out at the party.

瑪麗非常靦腆，設法鼓勵她在聚會上開口說話。