Are you about to travel to Vietnam? Have to speak Vietnamese? Then this translator, called English-Vietnamese, will be highly useful to you.
English-Vietnamese is a professional and very complete translator of English to Vietnamese that lets you look for any term in that Asiatic language and it will give you the corresponding meaning in English, and vice versa. It also has a large glossary where you can alphabetically look for any word.
To speed up looking for words, English-Vietnamese has a practical searcher with which you can make advanced searches for both words and phrases/expressions.