Is this lie detector really working? May(Can) I use it only once?

is the like detector relally works? please, can i use it just once

Does the lie detector really works?Can I use that?

Does this lie detector work? Can I try it just once?

I feel rewarded when the difficulties I've had help others to be better.
:D
help others 도 돕는다는 거지만 전하고자 하는말이 help others to be better 가 더 적절해보여요 ;)

I feel worth being of help to others through difficulties that I suffered.

I realized that being a help for someone through my experience of difficulties is such an rewarding thing.

l'm realized that being a help for someone through my experience of difficulties is such an rewarding thing.

It was rewarding to help others by the difficulties that I went through.

1. Premiere league soccer game is so fast, powerful (energetic) and exciting than any other European leagues. Most of all, we feel that many soccer fans are passionate in the stadium.

Recently I'm interested in studying English.
English is highly related to my work duties as well as promotion.
That's why nowadays many people are concerned about their English ability and try to study it hard by splitting their time.

감사합니다. ^ ^ 열심히 할께요~!!!!

Original tickets for going to Canada is leaving Korea at December 2 2013 6:10 and arriving to Sanfrancisco to Calgari(?).

그냥 읽는대로 썼어요^^

The departure time from Korea to Calgary Canada in my orginal ticket was 6:10 2th of Dec 2013. The plane was suppused to make stop over at San Fransisco

Those with poor eye sight must be annyoed cause they have to wear contact lenses everytime they wear sun glasses.

i thinkso,the wearing glasses peaple is very pool, beacouse when they wearing sunglasses,
they wear lens.

Those with poor eyesight are likely to be annoyed, because they should use contact lens whenever wearing sunglasses.

Those who wear glasses would probably feel uncomfortable. They should wear contact lenses whenever they wear sunglasses.

i think those who wear glasses would feel uncomfortable. They have to wear contact lenses whenever they put on sunglasses.

I very sorry about the people who wear glasses. Because that have to wear contack lenses whenever they wear sunglasses.

I think people who wear glasses must feel uncomfortable. Because they should wear contact lenses whenever they wear sunglasses.