Journalists were given the freedom to visit, investigate, and report without constraint.
新闻记者被赋予在没有约束下参观、调查和报道的自由。
《柯林斯英汉双解大词典》
The boy felt constraint in her presence.
那男孩在她面前感到局促不安。
《新英汉大辞典》
The terrible constraint on organ transplantation is that every life extended depends on the death of someone young enough and healthy enough to have organs worth transplanting.