Random House publishes an English to Japanese dictionary which could be purchased at most bookstores. If they don't have it in stock it could be ordered as it has a current ISBN number. Alternatively it can be purchased on Amazon.
freetranslation.com provides a translation and freedict/onldict/jap is a Japaneese/English dictionary. Or your trusty local book store!
search Google..English to Japanese translation.
a Japanese dictionary
from your local bookstore. Or from an online store.
The English and French dictionary
One can find the definition of liderazgo by looking in a dictionary such as the Oxfords English Dictionary or the Merriam Webster Dictionary. One can also look on online dictionaries such as Online-Dictionary.
I could not find the English word keuneu in any dictionary.
There are many online English dictionaries on the internet. Webster provides an online dictionary on their website for free. There is an estimate of 850,000 words in the English language.
They could be Japanese OR Chinese. Many Japanese kanji(the symbols) were adapted from Chinese. There is no way to tell the difference unless you know that the symbols are from one language or another.You could always check with the person you bought them from--maybe they'd know. You can also buy a Japanese-English dictionary and see if the translation in it makes any sense. If it doesn't, try a Chinese-English dictionary. If you have a camera, you can take a picture of the glasses and post it on a question forum somewhere too.
Why don't you look in an English dictionary, you might find it there.
Someone can find an English to Welsh translation dictionary via a number of websites. One can find such a dictionary on sites such as 'Free Translation', 'Stars21' and 'ImTranslator'.
They are in Japanese