Any articles that is prohibited by government or may jeopardize trip safety must not be taken by the passenger.

旅客不得携带或者夹带危险物品、禁运物品、超限物品进站乘车。

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They spent over 30 hours traveling 2000 km by train to come to Beijing. Special measures were taken to ensure their safety during the trip, including a doctor to accompany each patient.

为确保伤员在30多小时火车、全程2000多公里的路途中安全度过，有关部门采取了许多特殊措施，甚至每位伤员都有一位专门医生陪护。

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We have had a safety guidance meeting with our tourists for the trip.

我们已经为这次旅行的游客开了一个安全指导会议。

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Other cases are different. As they wash dishes in the safety of the courtyard, Liseth and her friends are reconsidering their plans after the harrowing trip across Guatemala.

VOA: standard.2009.09.01

Sudan's Committee of Islamic Scholars has urged the president not to attend, for fear of his safety, providing Mr.Bashir a possible way of saving face while backing out of the trip.

VOA: standard.2009.03.23

Effective immediately, the new standards require detailed briefings before each trip that will include safety precautions and any necessary designations of establishments and areas that are "off limits" for Secret Service personnel, the sources said.

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The Secret Service was criticised for not taking adequate safety precautions prior to the trip and for not liaising enough with other government departments.

BBC: 28 September

The school said the vice principal leading the trip had "vast experience", was "obsessive about safety" and had led 28 trips throughout his career.

BBC: Poonam Bhattal, 13, dies on school skiing trip in Italy