definite; certain; fixed; to fix (on sth); to determine; to be sure; to ensure; to make certain; to ascertain; to clinch; to recognize; to confirm; OK (on computer dialog box)[cedict]
線路
xiàn lùㄒㄧㄢˋ ㄌㄨˋ
line; circuit; wire; railway track[cedict]
是
shìㄕˋ
is; are; am; yes; to be[cedict]
安全
ān quánㄢ ㄑㄩㄢˊ
safe; secure; safety; security[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]