def load_synonym(file_path, space_mark='→', file_encoding='utf-8'):
    """
    :param file_path: Synonym file path
    :param space_mark: The spacing symbol between synonyms
    :param file_encoding: The encoding format of the file
    :return: List of synonyms. exp: [['abc', 'def'], ['tom', 'jack'],]
    """
    synonym = [line.strip().split(space_mark) for line in open(file_path, 'r', encoding=file_encoding).readlines()]
    return synonym