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》
2
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》
3
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.