词语拼音转换.

    :param phrase: 词语
    :param errors: 指定如何处理没有拼音的字符
    :param strict: 是否严格遵照《汉语拼音方案》来处理声母和韵母
    :return: 拼音列表
    :rtype: list

def phrase_pinyin(phrase, style, heteronym, errors='default', strict=True):
    """词语拼音转换.

    :param phrase: 词语
    :param errors: 指定如何处理没有拼音的字符
    :param strict: 是否严格遵照《汉语拼音方案》来处理声母和韵母
    :return: 拼音列表
    :rtype: list
    """
    py = []
    if phrase in PHRASES_DICT:
        py = deepcopy(PHRASES_DICT[phrase])
        for idx, item in enumerate(py):
            if heteronym:
                py[idx] = _remove_dup_items([
                    _to_fixed(x, style=style, strict=strict) for x in item])
            else:
                py[idx] = [_to_fixed(item[0], style=style, strict=strict)]
    else:
        for i in phrase:
            single = single_pinyin(i, style=style, heteronym=heteronym,
                                   errors=errors, strict=strict)
            if single:
                py.extend(single)
    return py