| 1 | The man is as deep as a well. | |
| 2 | Scientists use off-putting jargon. | |
| 3 | When Hanson came home he wore the same inscrutable demeanour. | |
| 4 | On the surface, he appeared open, simple and frank, yet he defied analysis and his whole character was elusive. | |
| 5 | He had always felt the absolute impossibility of addressing that enigmatical man, who was, in his eyes, both equivocal and imposing. |