Destructure it by providing a valid key name like
const { hello_en, 'hello_zh-CN': hello_zHCN, ...rest } = data
Working snippet
var data = {
hello_en: 'hello world',
'hello_zh-CN': '世界您好',
something: 'nice day',
something_else: 'isn\'t it'
}
const { hello_en, 'hello_zh-CN': hello_zHCN, ...rest } = data
console.log(hello_zHCN);