let keys = ['romaji', 'english']
[
{
"japanese": "行く",
"romaji": "iku",
"english": "go"
},
{
"japanese": "見る",
"romaji": "miru",
"english": "see, look at"
},
{
"japanese": "多い",
"romaji": "ooi",
"english": "a lot of, many"
},
...
]