ifconj.是否；如果；即使；每当n.条件；设想ifssInstrumentation Flight Safety System；仪表飞行安全系统； abbr.；=international flight service station 国际飞行勤务站

1. Success is mine if I stick it out.
   只要我坚持到底成功就是我的。
2. If only you practise, you could form any habits.
   只要常做，就会成习惯。
3. If only I would have a good chance to study German.
   但愿我将能得到一个学习德语的机会。
4. If only he could conceal his part in the accident.
   但愿他会隐瞒他在事故中也有份儿。